Question

Astronomers discover a new planet which has three moons. The time that each one takes to complete one full revolution around the planet is shown in the figure. If they are in the position shown above at this moment, after how many days will the three of them again be exactly in the same position next? *
Captionless Image
120
60
2
10

Answer 1

Answer:

After 30 days the moon will come to the same position